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| author | Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> | 2013-10-11 14:49:04 +0900 |
|---|---|---|
| committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2014-01-16 08:07:20 +0900 |
| commit | 9f861f0ae23674c3cda4815541f3756e8a5fc8c8 (patch) | |
| tree | 882cd1c415c17b7d35dfabd038239f487e07d038 /board/renesas/koelsch | |
| parent | bf46e7d8d134521301ff02b6d97e8998aa10a83d (diff) | |
| download | u-boot-imx-9f861f0ae23674c3cda4815541f3756e8a5fc8c8.zip u-boot-imx-9f861f0ae23674c3cda4815541f3756e8a5fc8c8.tar.gz u-boot-imx-9f861f0ae23674c3cda4815541f3756e8a5fc8c8.tar.bz2 | |
arm: koelsch: Disable TMU0 before OS boot
On U-boot uses TMU0 as timer, but TMU0 does not use on linux kernel
and other.
This disables TMU0 at the request of from kernel user.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'board/renesas/koelsch')
| -rw-r--r-- | board/renesas/koelsch/koelsch.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/board/renesas/koelsch/koelsch.c b/board/renesas/koelsch/koelsch.c index 89f5c91..32d3b58 100644 --- a/board/renesas/koelsch/koelsch.c +++ b/board/renesas/koelsch/koelsch.c @@ -253,6 +253,12 @@ int board_early_init_f(void) return 0; } +void arch_preboot_os(void) +{ + /* Disable TMU0 */ + mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125); +} + /* LSI pin pull-up control */ #define PUPR5 0xe6060114 #define PUPR5_ETH 0x3FFC0000 |